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The Writer monad and its type declaration

score 257 · Answer 1 · 2022-11-12T10:49:25.747000

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The Writer monad and its type declaration

257 views Asked by Piskator At 12 November 2022 at 10:49

score 407 · Answer 2 · 2021-06-20T22:05:23.690000

How to lift a value into a monad

407 views Asked by Tomek Dobrzynski At 20 June 2021 at 22:05

score 264 · Answer 3 · 2020-09-22T21:01:28.493000

How to fold on list of WriterT in cats

264 views Asked by Noam Shaish At 22 September 2020 at 21:01

score 133 · Answer 4 · 2020-06-03T20:19:31.730000

LYAH - Understanding comment about "tell" when chaining Writer monads

133 views Asked by Enlico At 03 June 2020 at 20:19

score 309 · Answer 5 · 2019-12-11T21:52:10.237000

How define instance Monad Writer with custom data type

309 views Asked by Boris Azanov At 11 December 2019 at 21:52

score 341 · Answer 6 · 2019-08-28T01:25:27.420000

Can we avoid space leaks in the Writer monad by making mappend non-strict on the second parameter

341 views Asked by Ruifeng Xie At 28 August 2019 at 01:25

score 226 · Answer 7 · 2019-05-08T12:15:00.227000

Cats Writer type-mismatch in for expression

226 views Asked by Imran K At 08 May 2019 at 12:15

score 394 · Answer 8 · 2019-03-28T13:01:20.433000

Question about the Writer monad as taught in LYAH. (How did the appending to the log take place?)

394 views Asked by Andy At 28 March 2019 at 13:01

score 318 · Answer 9 · 2018-07-22T16:57:52.853000

Stacking monads Writer and OptionT

318 views Asked by Sergii Shevchyk At 22 July 2018 at 16:57

score 142 · Answer 10 · 2017-04-19T01:59:45.970000

Swapping `mappend` in Writer monad

142 views Asked by krokodil At 19 April 2017 at 01:59

score 184 · Answer 11 · 2017-03-07T23:32:35.170000

Writer monad and unsequence

184 views Asked by krokodil At 07 March 2017 at 23:32

score 209 · Answer 12 · 2017-03-03T23:29:31.860000

Writer Monad Nested Twice

209 views Asked by krokodil At 03 March 2017 at 23:29

score 171 · Answer 13 · 2017-02-08T10:39:39.340000

Function composition with the Writer monad?

171 views Asked by Babra Cunningham At 08 February 2017 at 10:39

score 146 · Answer 14 · 2016-09-16T01:49:43.157000

How do I access both the value and accumulator of a Writer monad within a 'do' block (PureScript)?

146 views Asked by Albtzrly At 16 September 2016 at 01:49

score 150 · Answer 15 · 2016-03-27T11:28:16.347000

Wrapping Maybe in WriterT to add logging

150 views Asked by SkyWriter At 27 March 2016 at 11:28

score 189 · Answer 16 · 2016-02-12T23:02:14.010000

Haskell Write Monad for expressions

189 views Asked by krokodil At 12 February 2016 at 23:02

score 194 · Answer 17 · 2016-01-30T19:23:45.510000

Validating XML with Writer and Kleisli in Scala

194 views Asked by Michael At 30 January 2016 at 19:23

score 131 · Answer 18 · 2016-01-24T06:55:39.990000

Validating a sequence of XML elements with Writer monad

131 views Asked by Michael At 24 January 2016 at 06:55

score 170 · Answer 19 · 2015-12-18T14:31:20.153000

scalaz - function composition - WriterT

170 views Asked by NoIdeaHowToFixThis At 18 December 2015 at 14:31

score 2034 · Answer 20 · 2015-11-23T22:20:54.173000

Understanding example on Writer Monad

2k views Asked by lhahn At 23 November 2015 at 22:20

TechQA.

List Question

The Writer monad and its type declaration

How to lift a value into a monad

How to fold on list of WriterT in cats

LYAH - Understanding comment about "tell" when chaining Writer monads

How define instance Monad Writer with custom data type

Can we avoid space leaks in the Writer monad by making mappend non-strict on the second parameter

Cats Writer type-mismatch in for expression

Question about the Writer monad as taught in LYAH. (How did the appending to the log take place?)

Stacking monads Writer and OptionT

Swapping `mappend` in Writer monad

Writer monad and unsequence

Writer Monad Nested Twice

Function composition with the Writer monad?

How do I access both the value and accumulator of a Writer monad within a 'do' block (PureScript)?

Wrapping Maybe in WriterT to add logging

Haskell Write Monad for expressions

Validating XML with Writer and Kleisli in Scala

Validating a sequence of XML elements with Writer monad

scalaz - function composition - WriterT

Understanding example on Writer Monad

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